An anonymous reader writes: Mozilla on Thursday announced the release of Firefox OS Simulator 3.0, polishing all the features in the preview release as well as making a few more improvements. You can download version 3.0 now for Windows, Mac, and Linux from Mozilla Add-Ons.The following features included in the simulator are now functionally stable, according to Mozilla:

Push to Device.Rotation simulation.Basic geolocation API simulation.Manifest validation.Stability fixes for installation and updates to apps.Newer versions of the Firefox rendering engine and Gaia (the UI for Firefox OS).